Grade A Lakes — Excellent

1,697 lakes (45% of all graded lakes)

1,697

Total Lakes

657

Minnesota

1,040

Wisconsin

Lake	County	State	Clarity	Depth	Fish
East Fox Lake	Crow Wing	MN	16.1 ft	65 ft	15
Deep Portage Lake	Cass	MN	15.4 ft	105 ft	9
Little Wabana Lake	Itasca	MN	23.8 ft	57 ft	6
Clearwater Lake	Cook	MN	30 ft	65 ft	0
Clearwater Lake	Lake	MN	18 ft	46 ft	0
Lower Hay Lake	Crow Wing	MN	19 ft	100 ft	21
Latoka Lake	Douglas	MN	19 ft	108 ft	16
Bad Medicine Lake	Becker	MN	25 ft	84 ft	13
Big Sugar Bush Lake	Becker	MN	17 ft	42 ft	13
Pelican Lake	Otter Tail	MN	16.1 ft	55 ft	20
Fullers Lake: East Basin	Beltrami	MN	49.2 ft	—	0
Birch Lake	Wright	MN	15 ft	52 ft	9
Birch Lake	Cook	MN	18 ft	69 ft	3
Birch Lake	Unknown	MN	15 ft	34 ft	10
Round Lake	Aitkin	MN	15.3 ft	59 ft	15
Round Lake	Cook	MN	16.5 ft	45 ft	5
Round Lake	Beltrami	MN	59.1 ft	—	0
Pike Lake	Cook	MN	17.8 ft	45 ft	7
Pike Lake	St. Louis	MN	18 ft	60 ft	9
Whitefish Lake	Crow Wing	MN	15.1 ft	138 ft	23
Horseshoe Lake	Cass	MN	21 ft	51 ft	12
Long Lake	Clearwater	MN	20 ft	80 ft	15
Long Lake	Cass	MN	21.8 ft	115 ft	14
Long Lake	Beltrami	MN	20 ft	87 ft	11
Long Lake	Becker	MN	20 ft	61 ft	16
Long Lake	Cass	MN	16.8 ft	37 ft	12
Long Lake	Beltrami	MN	45.9 ft	—	0
Long Lake	Itasca	MN	16.7 ft	72 ft	10
Long Lake	Itasca	MN	16.9 ft	85 ft	12
Dead Lake	Hubbard	MN	16 ft	34 ft	9
Unnamed Lake	Otter Tail	MN	15.1 ft	95 ft	17
Maple Lake	Itasca	MN	15.3 ft	39 ft	13
West Twin Lake	Crow Wing	MN	19.8 ft	—	0
Sunshine Lake	St. Louis	MN	20 ft	37 ft	0
Shallow Lake	Itasca	MN	16.4 ft	85 ft	12
Trout Lake	Itasca	MN	15.5 ft	135 ft	15
Trout Lake	Itasca	MN	18 ft	157 ft	9
Trout Lake	Cook	MN	19 ft	77 ft	6
Chippewa Lake	Douglas	MN	15.1 ft	95 ft	19
Otter Lake	Otter Tail	MN	18 ft	64 ft	7
Eddy Lake	Lake	MN	16.5 ft	95 ft	0
Cowdry Lake	Douglas	MN	17 ft	52 ft	19
Ossawinnamakee Lake	Crow Wing	MN	20 ft	63 ft	18
Clear Lake	Crow Wing	MN	18 ft	63 ft	15
Clear Lake	Aitkin	MN	16 ft	24 ft	14
Clear Lake	Itasca	MN	14.9 ft	30 ft	9
Bear Lake	Lake	MN	17.4 ft	31 ft	4
Emerald Lake	Beltrami	MN	31.2 ft	—	0
Blue Lake	Hubbard	MN	17.4 ft	84 ft	13
Blue Lake	Crow Wing	MN	19 ft	48 ft	0
Eagle Lake	Otter Tail	MN	22.6 ft	46 ft	10
West Fox Lake	Crow Wing	MN	15 ft	55 ft	15
Spearhead Lake	Hubbard	MN	15 ft	81 ft	17
Ida Lake	Douglas	MN	16.5 ft	106 ft	19
Star Lake	Crow Wing	MN	19 ft	83 ft	12
Star Lake	Otter Tail	MN	16.7 ft	94 ft	17
Upper Maple Lake	Wright	MN	18 ft	76 ft	15
Partridge Lake	Crow Wing	MN	16.2 ft	42 ft	10
Fish Lake	Otter Tail	MN	17.8 ft	69 ft	17
Sand Lake	Cass	MN	21 ft	54 ft	12
Jenny Lake	Lake	MN	15.5 ft	93 ft	0
Roger Lake	Crow Wing	MN	16 ft	64 ft	12
Hamlet Lake	Crow Wing	MN	18.5 ft	88 ft	0
Square Lake	Washington	MN	17 ft	68 ft	9
Shell Lake	Beltrami	MN	42.7 ft	—	0
Tofte Lake	Lake	MN	18.5 ft	73 ft	3
Andrusia Lake	Beltrami	MN	15.5 ft	60 ft	21
Green Lake	Beltrami	MN	60.7 ft	—	0
Green Lake	Beltrami	MN	39.4 ft	—	0
Girl Lake	Cass	MN	17 ft	81 ft	18
Little Toad Lake	Becker	MN	15 ft	65 ft	15
Charlotte Lake	Wright	MN	17.1 ft	46 ft	10
Big Mcdonald Lake	Otter Tail	MN	16.4 ft	46 ft	15
Bass Lake	Otter Tail	MN	16.9 ft	—	0
Bass Lake	Crow Wing	MN	16.1 ft	47 ft	14
Bass Lake	Itasca	MN	18.2 ft	65 ft	7
Bass Lake	Cass	MN	—	55 ft	12
Island Lake	Cass	MN	15 ft	45 ft	12
Island Lake	Crow Wing	MN	15.3 ft	76 ft	19
Island Lake	Cass	MN	17.5 ft	40 ft	13
Island Lake	Beltrami	MN	52.5 ft	—	0
Island Lake	Hubbard	MN	16.4 ft	32 ft	13
Island Lake	Crow Wing	MN	—	36 ft	9
Crooked Lake	Stearns	MN	15 ft	35 ft	10
Crooked Lake	Hubbard	MN	19.2 ft	—	0
Crooked Lake	Crow Wing	MN	15 ft	54 ft	16
Portage Lake	Cass	MN	22.8 ft	84 ft	10
Cedar Lake	Morrison	MN	16.4 ft	88 ft	14
Big Pine Lake	Aitkin	MN	16.5 ft	78 ft	15
Lizzie Lake	Otter Tail	MN	16.4 ft	66 ft	21
Eagles Nest Lake	St. Louis	MN	15.5 ft	49 ft	9
Turtle Lake	Becker	MN	23 ft	73 ft	13
Turtle Lake	Itasca	MN	17.1 ft	54 ft	0
Lower Bottle Lake	Hubbard	MN	15 ft	110 ft	13
Mukooda Lake	St. Louis	MN	16.6 ft	78 ft	14
Pokegama Lake	Itasca	MN	16 ft	112 ft	19
Sandy Lake	Beltrami	MN	52.5 ft	—	0
Pickerel Lake	Becker	MN	18 ft	74 ft	14
Pickerel Lake	Clearwater	MN	16.1 ft	60 ft	12
Strawberry Lake	Becker	MN	17.8 ft	40 ft	16

Showing 100 of 1,697 Grade A lakes.

Frequently Asked Questions

How many lakes have a grade of A?

There are 1,697 Grade A (Excellent) lakes in Minnesota and Wisconsin — 657 in Minnesota and 1,040 in Wisconsin. This represents 45% of all graded lakes.

What does a Grade A mean?

Grade A means excellent water quality with crystal clear water (Secchi depth over 15 ft), very low phosphorus (under 20 µg/L), and minimal algae. These are the cleanest lakes, ideal for swimming and supporting coldwater fish like lake trout.